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from __future__ import annotations
from xarray import conventions
from xarray.backends.common import (
BACKEND_ENTRYPOINTS,
AbstractDataStore,
BackendEntrypoint,
)
from xarray.core.dataset import Dataset
class StoreBackendEntrypoint(BackendEntrypoint):
available = True
description = "Open AbstractDataStore instances in Xarray"
url = "https://docs.xarray.dev/en/stable/generated/xarray.backends.StoreBackendEntrypoint.html"
def guess_can_open(self, filename_or_obj):
return isinstance(filename_or_obj, AbstractDataStore)
def open_dataset(
self,
store,
*,
mask_and_scale=True,
decode_times=True,
concat_characters=True,
decode_coords=True,
drop_variables=None,
use_cftime=None,
decode_timedelta=None,
):
vars, attrs = store.load()
encoding = store.get_encoding()
vars, attrs, coord_names = conventions.decode_cf_variables(
vars,
attrs,
mask_and_scale=mask_and_scale,
decode_times=decode_times,
concat_characters=concat_characters,
decode_coords=decode_coords,
drop_variables=drop_variables,
use_cftime=use_cftime,
decode_timedelta=decode_timedelta,
)
ds = Dataset(vars, attrs=attrs)
ds = ds.set_coords(coord_names.intersection(vars))
ds.set_close(store.close)
ds.encoding = encoding
return ds
BACKEND_ENTRYPOINTS["store"] = StoreBackendEntrypoint
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